Stratigraphy and petrography of Illinoian and Kansan drift in central Illinois.

Bibliographic Details
Main Author:	Johnson, W. Hilton (William Hilton), 1935-
Format:	Book
Language:	English
Published:	Urbana : Illinois State Geological Survey, 1964.
Series:	Circular (Illinois State Geological Survey) ; 378.
Subjects:	Drift. Geology, Stratigraphic > Pleistocene. Geology > Illinois.

Description
Physical Description:	38 pages : illustrations, maps.
Bibliography:	Bibliography: pages 22-23.